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path: root/drivers/net/ethernet/realtek/8139too.c
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Diffstat (limited to 'drivers/net/ethernet/realtek/8139too.c')
-rw-r--r--drivers/net/ethernet/realtek/8139too.c109
1 files changed, 97 insertions, 12 deletions
diff --git a/drivers/net/ethernet/realtek/8139too.c b/drivers/net/ethernet/realtek/8139too.c
index a8779bedb3d9..df7fd8d083dc 100644
--- a/drivers/net/ethernet/realtek/8139too.c
+++ b/drivers/net/ethernet/realtek/8139too.c
@@ -565,6 +565,12 @@ struct rtl_extra_stats {
unsigned long rx_lost_in_ring;
};
+struct rtl8139_stats {
+ u64 packets;
+ u64 bytes;
+ struct u64_stats_sync syncp;
+};
+
struct rtl8139_private {
void __iomem *mmio_addr;
int drv_flags;
@@ -575,11 +581,13 @@ struct rtl8139_private {
unsigned char *rx_ring;
unsigned int cur_rx; /* RX buf index of next pkt */
+ struct rtl8139_stats rx_stats;
dma_addr_t rx_ring_dma;
unsigned int tx_flag;
unsigned long cur_tx;
unsigned long dirty_tx;
+ struct rtl8139_stats tx_stats;
unsigned char *tx_buf[NUM_TX_DESC]; /* Tx bounce buffers */
unsigned char *tx_bufs; /* Tx bounce buffer region. */
dma_addr_t tx_bufs_dma;
@@ -641,7 +649,9 @@ static int rtl8139_poll(struct napi_struct *napi, int budget);
static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance);
static int rtl8139_close (struct net_device *dev);
static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd);
-static struct net_device_stats *rtl8139_get_stats (struct net_device *dev);
+static struct rtnl_link_stats64 *rtl8139_get_stats64(struct net_device *dev,
+ struct rtnl_link_stats64
+ *stats);
static void rtl8139_set_rx_mode (struct net_device *dev);
static void __set_rx_mode (struct net_device *dev);
static void rtl8139_hw_start (struct net_device *dev);
@@ -754,10 +764,9 @@ static __devinit struct net_device * rtl8139_init_board (struct pci_dev *pdev)
/* dev and priv zeroed in alloc_etherdev */
dev = alloc_etherdev (sizeof (*tp));
- if (dev == NULL) {
- dev_err(&pdev->dev, "Unable to alloc new net device\n");
+ if (dev == NULL)
return ERR_PTR(-ENOMEM);
- }
+
SET_NETDEV_DEV(dev, &pdev->dev);
tp = netdev_priv(dev);
@@ -908,10 +917,37 @@ err_out:
return ERR_PTR(rc);
}
+static int rtl8139_set_features(struct net_device *dev, netdev_features_t features)
+{
+ struct rtl8139_private *tp = netdev_priv(dev);
+ unsigned long flags;
+ netdev_features_t changed = features ^ dev->features;
+ void __iomem *ioaddr = tp->mmio_addr;
+
+ if (!(changed & (NETIF_F_RXALL)))
+ return 0;
+
+ spin_lock_irqsave(&tp->lock, flags);
+
+ if (changed & NETIF_F_RXALL) {
+ int rx_mode = tp->rx_config;
+ if (features & NETIF_F_RXALL)
+ rx_mode |= (AcceptErr | AcceptRunt);
+ else
+ rx_mode &= ~(AcceptErr | AcceptRunt);
+ tp->rx_config = rtl8139_rx_config | rx_mode;
+ RTL_W32_F(RxConfig, tp->rx_config);
+ }
+
+ spin_unlock_irqrestore(&tp->lock, flags);
+
+ return 0;
+}
+
static const struct net_device_ops rtl8139_netdev_ops = {
.ndo_open = rtl8139_open,
.ndo_stop = rtl8139_close,
- .ndo_get_stats = rtl8139_get_stats,
+ .ndo_get_stats64 = rtl8139_get_stats64,
.ndo_change_mtu = eth_change_mtu,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = rtl8139_set_mac_address,
@@ -922,6 +958,7 @@ static const struct net_device_ops rtl8139_netdev_ops = {
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = rtl8139_poll_controller,
#endif
+ .ndo_set_features = rtl8139_set_features,
};
static int __devinit rtl8139_init_one (struct pci_dev *pdev,
@@ -995,6 +1032,9 @@ static int __devinit rtl8139_init_one (struct pci_dev *pdev,
dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA;
dev->vlan_features = dev->features;
+ dev->hw_features |= NETIF_F_RXALL;
+ dev->hw_features |= NETIF_F_RXFCS;
+
dev->irq = pdev->irq;
/* tp zeroed and aligned in alloc_etherdev */
@@ -1777,8 +1817,10 @@ static void rtl8139_tx_interrupt (struct net_device *dev,
dev->stats.tx_fifo_errors++;
}
dev->stats.collisions += (txstatus >> 24) & 15;
- dev->stats.tx_bytes += txstatus & 0x7ff;
- dev->stats.tx_packets++;
+ u64_stats_update_begin(&tp->tx_stats.syncp);
+ tp->tx_stats.packets++;
+ tp->tx_stats.bytes += txstatus & 0x7ff;
+ u64_stats_update_end(&tp->tx_stats.syncp);
}
dirty_tx++;
@@ -1941,7 +1983,10 @@ static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp,
/* read size+status of next frame from DMA ring buffer */
rx_status = le32_to_cpu (*(__le32 *) (rx_ring + ring_offset));
rx_size = rx_status >> 16;
- pkt_size = rx_size - 4;
+ if (likely(!(dev->features & NETIF_F_RXFCS)))
+ pkt_size = rx_size - 4;
+ else
+ pkt_size = rx_size;
netif_dbg(tp, rx_status, dev, "%s() status %04x, size %04x, cur %04x\n",
__func__, rx_status, rx_size, cur_rx);
@@ -1979,11 +2024,30 @@ no_early_rx:
if (unlikely((rx_size > (MAX_ETH_FRAME_SIZE+4)) ||
(rx_size < 8) ||
(!(rx_status & RxStatusOK)))) {
+ if ((dev->features & NETIF_F_RXALL) &&
+ (rx_size <= (MAX_ETH_FRAME_SIZE + 4)) &&
+ (rx_size >= 8) &&
+ (!(rx_status & RxStatusOK))) {
+ /* Length is at least mostly OK, but pkt has
+ * error. I'm hoping we can handle some of these
+ * errors without resetting the chip. --Ben
+ */
+ dev->stats.rx_errors++;
+ if (rx_status & RxCRCErr) {
+ dev->stats.rx_crc_errors++;
+ goto keep_pkt;
+ }
+ if (rx_status & RxRunt) {
+ dev->stats.rx_length_errors++;
+ goto keep_pkt;
+ }
+ }
rtl8139_rx_err (rx_status, dev, tp, ioaddr);
received = -1;
goto out;
}
+keep_pkt:
/* Malloc up new buffer, compatible with net-2e. */
/* Omit the four octet CRC from the length. */
@@ -1998,8 +2062,10 @@ no_early_rx:
skb->protocol = eth_type_trans (skb, dev);
- dev->stats.rx_bytes += pkt_size;
- dev->stats.rx_packets++;
+ u64_stats_update_begin(&tp->rx_stats.syncp);
+ tp->rx_stats.packets++;
+ tp->rx_stats.bytes += pkt_size;
+ u64_stats_update_end(&tp->rx_stats.syncp);
netif_receive_skb (skb);
} else {
@@ -2463,11 +2529,13 @@ static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
}
-static struct net_device_stats *rtl8139_get_stats (struct net_device *dev)
+static struct rtnl_link_stats64 *
+rtl8139_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
{
struct rtl8139_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->mmio_addr;
unsigned long flags;
+ unsigned int start;
if (netif_running(dev)) {
spin_lock_irqsave (&tp->lock, flags);
@@ -2476,7 +2544,21 @@ static struct net_device_stats *rtl8139_get_stats (struct net_device *dev)
spin_unlock_irqrestore (&tp->lock, flags);
}
- return &dev->stats;
+ netdev_stats_to_stats64(stats, &dev->stats);
+
+ do {
+ start = u64_stats_fetch_begin_bh(&tp->rx_stats.syncp);
+ stats->rx_packets = tp->rx_stats.packets;
+ stats->rx_bytes = tp->rx_stats.bytes;
+ } while (u64_stats_fetch_retry_bh(&tp->rx_stats.syncp, start));
+
+ do {
+ start = u64_stats_fetch_begin_bh(&tp->tx_stats.syncp);
+ stats->tx_packets = tp->tx_stats.packets;
+ stats->tx_bytes = tp->tx_stats.bytes;
+ } while (u64_stats_fetch_retry_bh(&tp->tx_stats.syncp, start));
+
+ return stats;
}
/* Set or clear the multicast filter for this adaptor.
@@ -2516,6 +2598,9 @@ static void __set_rx_mode (struct net_device *dev)
}
}
+ if (dev->features & NETIF_F_RXALL)
+ rx_mode |= (AcceptErr | AcceptRunt);
+
/* We can safely update without stopping the chip. */
tmp = rtl8139_rx_config | rx_mode;
if (tp->rx_config != tmp) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 19:13:02 +0100